HEADPHONE, DIST AMP (P/N hdm-3) - As Removed

The hdm-3 is a headphone distribution amplifier for aircraft intercom and audio systems. This component splits audio signals from an audio panel or intercom to multiple passenger headset stations simultaneously. Installed downstream of the audio panel, it amplifies and distributes signals while maintaining signal integrity across multiple connections.

Common in DO-160-qualified systems on corporate and commercial aircraft. Installation follows the aircraft wiring diagram and approved maintenance data, typically referencing FAA TSO-C50c/C139a standards. The amplifier interfaces between the central audio panel and individual headphone jack locations throughout the cabin.

What is the HEADPHONE, DIST AMP (P/N hdm-3)?

The hdm-3 is a headphone distribution amplifier for aircraft intercom and audio systems. This component splits audio signals from an audio panel or intercom to multiple passenger headset stations simultaneously.

What conditions is the hdm-3 available in?

The hdm-3 is currently available in the following conditions: As Removed. Each condition reflects the part's maintenance history and certification status per FAA standards.

How do I get pricing for the hdm-3?

The hdm-3 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.

Do you offer expedited shipping for the hdm-3?

Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.